Sure thing, let's get straight to it. We start with 439 and we're going to multiply it by 303, which means adding 439 to itself 303 times.
Step 1: 0 + 439 = 439
Step 2: 439 + 439 = 878
Step 3: 878 + 439 = 1317
Step 4: 1317 + 439 = 1756
Step 5: 1756 + 439 = 2195
Step 6: 2195 + 439 = 2634
Step 7: 2634 + 439 = 3073
Step 8: 3073 + 439 = 3512
Step 9: 3512 + 439 = 3951
Step 10: 3951 + 439 = 4390
Step 11: 4390 + 439 = 4829
Step 12: 4829 + 439 = 5268
Step 13: 5268 + 439 = 5707
Step 14: 5707 + 439 = 6146
Step 15: 6146 + 439 = 6585
Step 16: 6585 + 439 = 7024
Step 17: 7024 + 439 = 7463
Step 18: 7463 + 439 = 7902
Step 19: 7902 + 439 = 8341
Step 20: 8341 + 439 = 8780
Step 21: 8780 + 439 = 9219
Step 22: 9219 + 439 = 9658
Step 23: 9658 + 439 = 10097
Step 24: 10097 + 439 = 10536
Step 25: 10536 + 439 = 10975
Step 26: 10975 + 439 = 11414
Step 27: 11414 + 439 = 11853
Step 28: 11853 + 439 = 12292
Step 29: 12292 + 439 = 12731
Step 30: 12731 + 439 = 13170
Step 31: 13170 + 439 = 13609
Step 32: 13609 + 439 = 14048
Step 33: 14048 + 439 = 14487
Step 34: 14487 + 439 = 14926
Step 35: 14926 + 439 = 15365
Step 36: 15365 + 439 = 15804
Step 37: 15804 + 439 = 16243
Step 38: 16243 + 439 = 16682
Step 39: 16682 + 439 = 17121
Step 40: 17121 + 439 = 17560
Step 41: 17560 + 439 = 17999
Step 42: 17999 + 439 = 18438
Step 43: 18438 + 439 = 18877
Step 44: 18877 + 439 = 19316
Step 45: 19316 + 439 = 19755
Step 46: 19755 + 439 = 20194
Step 47: 20194 + 439 = 20633
Step 48: 20633 + 439 = 21072
Step 49: 21072 + 439 = 21511
Step 50: 21511 + 439 = 21950
Step 51: 21950 + 439 = 22389
Step 52: 22389 + 439 = 22828
Step 53: 22828 + 439 = 23267
Step 54: 23267 + 439 = 23706
Step 55: 23706 + 439 = 24145
Step 56: 24145 + 439 = 24584
Step 57: 24584 + 439 = 25023
Step 58: 25023 + 439 = 25462
Step 59: 25462 + 439 = 25901
Step 60: 25901 + 439 = 26340
Step 61: 26340 + 439 = 26779
Step 62: 26779 + 439 = 27218
Step 63: 27218 + 439 = 27657
Step 64: 27657 + 439 = 28096
Step 65: 28096 + 439 = 28535
Step 66: 28535 + 439 = 28974
Step 67: 28974 + 439 = 29413
Step 68: 29413 + 439 = 29852
Step 69: 29852 + 439 = 30291
Step 70: 30291 + 439 = 30730
Step 71: 30730 + 439 = 31169
Step 72: 31169 + 439 = 31608
Step 73: 31608 + 439 = 32047
Step 74: 32047 + 439 = 32486
Step 75: 32486 + 439 = 32925
Step 76: 32925 + 439 = 33364
Step 77: 33364 + 439 = 33803
Step 78: 33803 + 439 = 34242
Step 79: 34242 + 439 = 34681
Step 80: 34681 + 439 = 35120
Step 81: 35120 + 439 = 35559
Step 82: 35559 + 439 = 35998
Step 83: 35998 + 439 = 36437
Step 84: 36437 + 439 = 36876
Step 85: 36876 + 439 = 37315
Step 86: 37315 + 439 = 37754
Step 87: 37754 + 439 = 38193
Step 88: 38193 + 439 = 38632
Step 89: 38632 + 439 = 39071
Step 90: 39071 + 439 = 39510
Step 91: 39510 + 439 = 39949
Step 92: 39949 + 439 = 40388
Step 93: 40388 + 439 = 40827
Step 94: 40827 + 439 = 41266
Step 95: 41266 + 439 = 41705
Step 96: 41705 + 439 = 42144
Step 97: 42144 + 439 = 42583
Step 98: 42583 + 439 = 43022
Step 99: 43022 + 439 = 43461
Step 100: 43461 + 439 = 43900
Step 101: 43900 + 439 = 44339
Step 102: 44339 + 439 = 44778
Step 103: 44778 + 439 = 45217
Step 104: 45217 + 439 = 45656
Step 105: 45656 + 439 = 46095
Step 106: 46095 + 439 = 46534
Step 107: 46534 + 439 = 46973
Step 108: 46973 + 439 = 47412
Step 109: 47412 + 439 = 47851
Step 110: 47851 + 439 = 48290
Step 111: 48290 + 439 = 48729
Step 112: 48729 + 439 = 49168
Step 113: 49168 + 439 = 49607
Step 114: 49607 + 439 = 50046
Step 115: 50046 + 439 = 50485
Step 116: 50485 + 439 = 50924
Step 117: 50924 + 439 = 51363
Step 118: 51363 + 439 = 51802
Step 119: 51802 + 439 = 52241
Step 120: 52241 + 439 = 52680
Step 121: 52680 + 439 = 53119
Step 122: 53119 + 439 = 53558
Step 123: 53558 + 439 = 53997
Step 124: 53997 + 439 = 54436
Step 125: 54436 + 439 = 54875
Step 126: 54875 + 439 = 55314
Step 127: 55314 + 439 = 55753
Step 128: 55753 + 439 = 56192
Step 129: 56192 + 439 = 56631
Step 130: 56631 + 439 = 57070
Step 131: 57070 + 439 = 57509
Step 132: 57509 + 439 = 57948
Step 133: 57948 + 439 = 58387
Step 134: 58387 + 439 = 58826
Step 135: 58826 + 439 = 59265
Step 136: 59265 + 439 = 59704
Step 137: 59704 + 439 = 60143
Step 138: 60143 + 439 = 60582
Step 139: 60582 + 439 = 61021
Step 140: 61021 + 439 = 61460
Step 141: 61460 + 439 = 61899
Step 142: 61899 + 439 = 62338
Step 143: 62338 + 439 = 62777
Step 144: 62777 + 439 = 63216
Step 145: 63216 + 439 = 63655
Step 146: 63655 + 439 = 64094
Step 147: 64094 + 439 = 64533
Step 148: 64533 + 439 = 64972
Step 149: 64972 + 439 = 65411
Step 150: 65411 + 439 = 65850
Step 151: 65850 + 439 = 66289
Step 152: 66289 + 439 = 66728
Step 153: 66728 + 439 = 67167
Step 154: 67167 + 439 = 67606
Step 155: 67606 + 439 = 68045
Step 156: 68045 + 439 = 68484
Step 157: 68484 + 439 = 68923
Step 158: 68923 + 439 = 69362
Step 159: 69362 + 439 = 69801
Step 160: 69801 + 439 = 70240
Step 161: 70240 + 439 = 70679
Step 162: 70679 + 439 = 71118
Step 163: 71118 + 439 = 71557
Step 164: 71557 + 439 = 71996
Step 165: 71996 + 439 = 72435
Step 166: 72435 + 439 = 72874
Step 167: 72874 + 439 = 73313
Step 168: 73313 + 439 = 73752
Step 169: 73752 + 439 = 74191
Step 170: 74191 + 439 = 74630
Step 171: 74630 + 439 = 75069
Step 172: 75069 + 439 = 75508
Step 173: 75508 + 439 = 75947
Step 174: 75947 + 439 = 76386
Step 175: 76386 + 439 = 76825
Step 176: 76825 + 439 = 77264
Step 177: 77264 + 439 = 77703
Step 178: 77703 + 439 = 78142
Step 179: 78142 + 439 = 78581
Step 180: 78581 + 439 = 79020
Step 181: 79020 + 439 = 79459
Step 182: 79459 + 439 = 79898
Step 183: 79898 + 439 = 80337
Step 184: 80337 + 439 = 80776
Step 185: 80776 + 439 = 81215
Step 186: 81215 + 439 = 81654
Step 187: 81654 + 439 = 82093
Step 188: 82093 + 439 = 82532
Step 189: 82532 + 439 = 82971
Step 190: 82971 + 439 = 83410
Step 191: 83410 + 439 = 83849
Step 192: 83849 + 439 = 84288
Step 193: 84288 + 439 = 84727
Step 194: 84727 + 439 = 85166
Step 195: 85166 + 439 = 85605
Step 196: 85605 + 439 = 86044
Step 197: 86044 + 439 = 86483
Step 198: 86483 + 439 = 86922
Step 199: 86922 + 439 = 87361
Step 200: 87361 + 439 = 87800
Step 201: 87800 + 439 = 88239
Step 202: 88239 + 439 = 88678
Step 203: 88678 + 439 = 89117
Step 204: 89117 + 439 = 89556
Step 205: 89556 + 439 = 89995
Step 206: 89995 + 439 = 90434
Step 207: 90434 + 439 = 90873
Step 208: 90873 + 439 = 91312
Step 209: 91312 + 439 = 91751
Step 210: 91751 + 439 = 92190
Step 211: 92190 + 439 = 92629
Step 212: 92629 + 439 = 93068
Step 213: 93068 + 439 = 93507
Step 214: 93507 + 439 = 93946
Step 215: 93946 + 439 = 94385
Step 216: 94385 + 439 = 94824
Step 217: 94824 + 439 = 95263
Step 218: 95263 + 439 = 95702
Step 219: 95702 + 439 = 96141
Step 220: 96141 + 439 = 96580
Step 221: 96580 + 439 = 97019
Step 222: 97019 + 439 = 97458
Step 223: 97458 + 439 = 97897
Step 224: 97897 + 439 = 98336
Step 225: 98336 + 439 = 98775
Step 226: 98775 + 439 = 99214
Step 227: 99214 + 439 = 99653
Step 228: 99653 + 439 = 100092
Step 229: 100092 + 439 = 100531
Step 230: 100531 + 439 = 100970
Step 231: 100970 + 439 = 101409
Step 232: 101409 + 439 = 101848
Step 233: 101848 + 439 = 102287
Step 234: 102287 + 439 = 102726
Step 235: 102726 + 439 = 103165
Step 236: 103165 + 439 = 103604
Step 237: 103604 + 439 = 104043
Step 238: 104043 + 439 = 104482
Step 239: 104482 + 439 = 104921
Step 240: 104921 + 439 = 105360
Step 241: 105360 + 439 = 105799
Step 242: 105799 + 439 = 106238
Step 243: 106238 + 439 = 106677
Step 244: 106677 + 439 = 107116
Step 245: 107116 + 439 = 107555
Step 246: 107555 + 439 = 107994
Step 247: 107994 + 439 = 108433
Step 248: 108433 + 439 = 108872
Step 249: 108872 + 439 = 109311
Step 250: 109311 + 439 = 109750
Step 251: 109750 + 439 = 110189
Step 252: 110189 + 439 = 110628
Step 253: 110628 + 439 = 111067
Step 254: 111067 + 439 = 111506
Step 255: 111506 + 439 = 111945
Step 256: 111945 + 439 = 112384
Step 257: 112384 + 439 = 112823
Step 258: 112823 + 439 = 113262
Step 259: 113262 + 439 = 113701
Step 260: 113701 + 439 = 114140
Step 261: 114140 + 439 = 114579
Step 262: 114579 + 439 = 115018
Step 263: 115018 + 439 = 115457
Step 264: 115457 + 439 = 115896
Step 265: 115896 + 439 = 116335
Step 266: 116335 + 439 = 116774
Step 267: 116774 + 439 = 117213
Step 268: 117213 + 439 = 117652
Step 269: 117652 + 439 = 118091
Step 270: 118091 + 439 = 118530
Step 271: 118530 + 439 = 118969
Step 272: 118969 + 439 = 119408
Step 273: 119408 + 439 = 119847
Step 274: 119847 + 439 = 120286
Step 275: 120286 + 439 = 120725
Step 276: 120725 + 439 = 121164
Step 277: 121164 + 439 = 121603
Step 278: 121603 + 439 = 122042
Step 279: 122042 + 439 = 122481
Step 280: 122481 + 439 = 122920
Step 281: 122920 + 439 = 123359
Step 282: 123359 + 439 = 123798
Step 283: 123798 + 439 = 124237
Step 284: 124237 + 439 = 124676
Step 285: 124676 + 439 = 125115
Step 286: 125115 + 439 = 125554
Step 287: 125554 + 439 = 125993
Step 288: 125993 + 439 = 126432
Step 289: 126432 + 439 = 126871
Step 290: 126871 + 439 = 127310
Step 291: 127310 + 439 = 127749
Step 292: 127749 + 439 = 128188
Step 293: 128188 + 439 = 128627
Step 294: 128627 + 439 = 129066
Step 295: 129066 + 439 = 129505
Step 296: 129505 + 439 = 129944
Step 297: 129944 + 439 = 130383
Step 298: 130383 + 439 = 130822
Step 299: 130822 + 439 = 131261
Step 300: 131261 + 439 = 131700
Step 301: 131700 + 439 = 132139
Step 302: 132139 + 439 = 132578
Step 303: 132578 + 439 = 133017

So, 439*303 = 133017